Coal and petroleum are formed from the dead remains of organisms and are known as __________.
Coal and petroleum are formed from the dead remains of organisms and are known as fossil fuels.
(a) What happens when carbon burns in air? Write the chemical equation of the reaction which takes place. (b) Why are coal and petroleum called fossil fuels? (c) Explain how coal was formed in the earth. (d) Describe how petroleum was formed in the earth. (e) Name a fossil fuel other than coal and petroleum.